Eoh, Kyung Jin
Lee, Jung-Yun
Nam, Eun Ji
Kim, Sunghoon
Kim, Sang Wun
Kim, Young Tae http://orcid.org/0000-0002-7347-1052
Article History
Received: 1 November 2019
Accepted: 20 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: This retrospective study was approved by the Institutional Review Board at Yonsei University College of Medicine.
: Not applicable.
: The authors declare that they have no competing interests.